Lunar crescent visibility of Ramadan 1441 Hijri
The Conjonction :
The geocentric conjunction between the Moon and the sun will be at the end of the lunar month on Thursday, April 23 at 16:32 local time.
Moon’s position after sunset on Wednesday, April 22, 2020.
In Tunisia: The Moon sets before sunset.
In Islamic cities: The Moon sets before sunset..
Possibility of Moon crescent visibility.
The visibility of Ramadan crescent, will be possible for the first time in the world, after the sunset on Thursday, April 23 , 2020 , from 18:43 local time. The crescent will be visible for the first time, from the center of the pacific., then successively to the West, as shown on the map below (Fig. 2).
Table 1: Astronomical data relating to the observation of the lunar crescent of Rajab 1441 Hijri, after sunset on Wednesday, April 22, 2020-29 Sha'ban1441 Hijri:
|
City |
Time Zones |
Sunset |
Lag |
Moon position at. Sunset |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Moon Age |
HL |
DAZ |
ARCL |
W |
|||||||
|
HH |
HH |
Mn |
HH |
Mn |
HH |
Mn |
deg° |
deg° |
deg° |
% |
|
|
Tunis |
1.0 |
18 |
7 |
0 |
-8 |
1 |
35 |
****** |
-4.36 |
4.38 |
0.15 |
|
Nouakchott |
0. |
19 |
6 |
0 |
3 |
3 |
34 |
0.13 |
-4.28 |
4.66 |
0.17 |
|
Casablanca |
0. |
18 |
21 |
0 |
-4 |
2 |
49 |
****** |
-4.53 |
4.54 |
0.16 |
|
Alger |
1. |
18 |
36 |
0 |
-7 |
2 |
3 |
****** |
-4.43 |
4.43 |
0.15 |
|
Tripoli |
1. |
17 |
60 |
0 |
-7 |
1 |
27 |
****** |
-4.37 |
4.37 |
0.15 |
|
Caire |
2. |
17 |
50 |
0 |
-8 |
0 |
17 |
****** |
-4.26 |
4.29 |
0.14 |
|
Beyrouth |
2. |
17 |
28 |
0 |
-11 |
*** |
*** |
****** |
-4.18 |
4.28 |
0.14 |
|
Khartoum |
2. |
17 |
58 |
0 |
-2 |
0 |
25 |
****** |
-4.26 |
4.29 |
0.14 |
|
La Mecque |
3. |
18 |
22 |
0 |
-5 |
*** |
*** |
****** |
-4.29 |
4.28 |
0.14 |
|
La Medina |
3. |
18 |
20 |
0 |
-7 |
*** |
*** |
****** |
-4.27 |
4.28 |
0.14 |
|
Sanaa |
3. |
18 |
9 |
0 |
-3 |
*** |
*** |
****** |
-4.28 |
4.28 |
0.14 |
|
Oman |
2. |
17 |
29 |
0 |
-10 |
*** |
*** |
****** |
-4.21 |
4.28 |
0.14 |
|
Bagdad |
3. |
17 |
54 |
0 |
-12 |
*** |
*** |
****** |
-4.11 |
4.28 |
0.14 |
|
Koweït |
3. |
17 |
43 |
0 |
-10 |
*** |
*** |
****** |
-4.17 |
4.28 |
0.14 |
|
Teheran |
3.5 |
17 |
54 |
0 |
-14 |
*** |
*** |
****** |
-3.99 |
4.29 |
0.14 |
|
Istanbul |
3. |
18 |
48 |
0 |
-14 |
0 |
15 |
****** |
-4.07 |
4.29 |
0.14 |
|
Jakarta |
8. |
19 |
12 |
0 |
-4 |
*** |
*** |
****** |
-4.63 |
4.62 |
0.16 |
|
Mexico |
-7.0 |
17 |
54 |
0 |
4 |
7 |
21 |
0.10 |
-5.28 |
5.58 |
0.24 |
|
Washington |
-5.0 |
17 |
32 |
0 |
0 |
6 |
59 |
****** |
-5.38 |
5.48 |
0.23 |
|
Montreal |
-5.0 |
19 |
25 |
0 |
22 |
7 |
53 |
3.99 |
0.46 |
5.74 |
0.25 |
Figure 1: Moon position in Tunis, at sunset on Sunday 23 February -29 Sha'ban
1441 Hijri
Figure 2: Lunar crescent visibility areas of Rajab (according to Istanbul criteria) after sunset on Thursday, April 23, 2020.
Abbreviation:
lag: La période entre le coucher du soleil et le coucher de la lune. (si la valeur est négative dans ce cas la lune se couche avant le soleil).
Age Lune: The period between the conjunction and the sunset.
HL: Moon topocentric elevation (if the moon sets before the sun, the value will compensated by the symbol "*** ***").
DAZ: The difference between the sun’s azimuth and the moon’s azimuth, at sunset.
ARCL: Geocentric elongation between the sun and the moon.
W: The illuminated percentage of the moon's surface.
Indication : The criteria used to predict the visibility of the lunar crescent, are the Istanbul criteria (1978-2016).
The crescent Moon is visible after sunset, if the following conditions (criteria) are true.
- The geocentric conjunction occurs before sunset.
- HL> 5 ° at sunset.
- ARCL> 8 °, at sunset.
